Lower Lost Lake
Lower Lost Lake is an earth dam located in Burnett County, Wisconsin, built in 1953. It carries a Low hazard potential classification and has a poor condition assessment.
About Lower Lost Lake
The primary purpose of Lower Lost Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Webb Lake (local government). It impounds the Namekagon Offstream.
The dam stands 9 feet tall and stretches 100 feet across, creates a reservoir covering 248 acres, has a maximum storage capacity of 1,300 acre-feet, and collects water from a drainage area of 23 square miles. Completed in 1953, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 12/06/2020.
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Location
| State | Wisconsin |
| County | Burnett |
| Nearest City | None |
| River/Stream | Namekagon Offstream |
| Coordinates | 46.01819, -92.06438 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 100 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 1,300 acre-ft |
| Max Storage | 1,300 acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 248 acres |
| Drainage Area | 23 sq mi |
| Max Discharge | 143 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town Of Webb Lake |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 12/06/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00692 |
| Federal ID | WI00692 |
| More Info | State Dam Safety Program |